<http://schema.org/keywords>
"\u0627\u0644\u0645\u0644\u0643 \u0645\u0633\u0648\u0627\u062A\u064A \u0627\u0644\u062B\u0627\u0644\u062B"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.huffpostarabi.com/2015/08/30/story_n_8060616.html>